<template>
  <div>
    <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
      <el-form-item label="部门名称" prop="name">
        <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门编码" prop="code">
        <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门负责人" prop="manager">
        <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
          <el-option v-for="item in list " :key="item.id" :value="item.username" :label="item.username" />

        </el-select>
      </el-form-item>
      <el-form-item label="部门介绍" prop="introduce">
        <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
        <el-button size="small" @click="hCancel">取消</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script>
import { getEmployeeSimple } from '@/api/employees'
import { addDepartments, getDepartmentsDetails, updateDepartments } from '@/api/department'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    const valicode = (rule, value, callback) => {
      // 判断输入的code 是否与项目中保存的code一致
      const existcode = this.originList.map(item => item.code)
      if (existcode.includes(value)) {
        callback(new Error(`已经 ${value}存在请重新数输入`))
      } else {
        // 不存在 放行
        callback()
      }
    }
    const validName = (rule, value, callback) => {
      // 思路：被占用的名字是这个部门的子部门
      let existNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      console.log('validName.... , 当前被校验的名字是', value)
      // const existNameList = ['财务核算部', '薪资核算部']
      // 如果是编辑，则被占用的名字 = 兄弟-自己
      if (this.isEdit) {
        // 1. 找到当前被编辑的元素
        const dept = this.originList.find(item => item.id === this.id)
        // 2. 取出pid(它的父级是谁)
        const pid = dept.pid
        // 3. 过滤： 同一个父级，不包括自己； map： 只要需要名字
        existNameList = this.originList.filter(item => item.pid === pid && item.id !== this.id).map(item => item.name)
      }
      console.log('被占用的名字列表', existNameList)

      if (existNameList.includes(value)) {
        callback(new Error('名字' + value + '已经被占用了'))
      } else {
        callback()
      }
    }
    return {
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 15, message: '部门名称要求1-50个字符', trigger: 'blur' },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 15, message: '部门编码要求1-50个字符', trigger: 'blur' },
          { validator: valicode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { min: 1, max: 30, message: '部门介绍要求1-300个字符', trigger: 'blur' }
        ]
      },
      list: [] // 保存负责人的列表
    }
  },
  created() {
    this.loadgetEmployeeSimple()
    if (this.isEdit) {
      this.loadgetDepartmentsDetails()
    }
  },
  methods: {
    // 获取列表详细信息
    async loadgetDepartmentsDetails() {
      console.log(this.isEdit)
      const res = await getDepartmentsDetails(this.id)
      console.log('现在是编辑，要去获取详情', res)
      this.form = res.data
      console.log(this.form)
    },

    // 新增子部门
    // 缺少pid 从父传 过来
    async doadd() {
      try {
        const res = await addDepartments({ pid: this.id, ...this.form })
        console.log(res, 'res新增')
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 子传父 关闭弹窗 更新列表
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    // 编辑列表详细数据
    async doEdlt() {
      try {
        const res = await updateDepartments(this.form)
        console.log(res)
        this.$message.success(res.message)
        this.$emit('success')
      } catch (error) {
        // console.log(error)
        this.$message({ type: 'error', message: error })
      }
    },
    // 获取简单员工列表
    async loadgetEmployeeSimple() {
      const res = await getEmployeeSimple()
      console.log(res, 'resgetEmployeeSimple')
      this.list = res.data
    },
    // 确定
    hSubmit() {
      this.$refs.deptForm.validate((valid) => {
        if (!valid) return
        // 兜底校验
        this.isEdit ? this.doEdlt() : this.doadd()
      })
    },
    // 取消
    hCancel() {
      this.$emit('close')
    }
  }
}
</script>
